Home / 13,696.22-20,547.68-3,835.35

Finding the Fourth Proportional to 13,696.22, 20,547.68 and 3,835.35

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Solution

The fourth proportional to 13,696.22, 20,547.68 and 3,835.35 is: 5,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.22 : 20,547.68 = 3,835.35 : x
  2. Step 2: Convert to fraction form
    13,696.22/20,547.68 = 3,835.35/x
  3. Step 3: Cross multiply
    13,696.22x = 20,547.68 × 3,835.35
  4. Step 4: Simplify right side
    13,696.22x = 78,807,525.31
  5. Step 5: Solve for x
    x = 78,807,525.31/13,696.22
  6. Step 6: Final answer
    x = 5,753.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.